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Nickel Aluminum Bronze C63000 - AMS 4640

ASTM B150, ASTM B124, ASTM B171, AMS 4640, ASME SB150, SB171, QQ-C-465, QQ-C-450, DIN 2.0966, BS 2870, BS 2874, BS 2875, BS CA104, EN CW307G

Level 4
Excellent Bearing Properties
Level 3
Extremely High Strength
Level 2
Not Suitable for Cold Workability

Farmer’s Copper Ltd. a C630 supplier, carries an extensive inventory of C63000 Nickel Aluminum Bronze Alloy. AMS 4640 nickel aluminum bronze is available in both plate and rod form and is intended for applications requiring combinations of corrosion resistance, excellent bearing properties at considerable loads, and extremely high strength both at room and elevated temperatures. C630 is not suitable for cold workability and can be readily hot worked in temperatures of 1400-1650 degrees.

Farmers Copper a C630 supplier, has the following specs for C63000 Nickel Aluminum Bronze Alloy in stock:

  • ASTM B150
  • ASTM B124
  • ASTM B171
  • AMS 4640
  • ASME SB150
  • SB171
  • QQ-C-465
  • QQ-C-450
  • DIN 2.0966
  • BS 2870
  • BS 2874
  • BS 2875
  • BS CA104
  • EN CW307G

Farmer’s Copper Ltd. has been serving the metal industry for over 90 years and prides itself on customer satisfaction. Our knowledgeable sales teams are willing to assist you 24/7 with all of your bronze needs. Contact us today!

C63000 Nickel Aluminum Bronze Shapes

Farmers Copper is a Preferred Distributor for LeBronze Alloys

List of Standard Sizes for C6300

  • Round Bar – 3/8” Dia. thru 11”
  • Plate – 3/8” thick thru 2”

C63000 Nickel Aluminum Bronze Applications

  • Aircraft parts
  • Valve parts
  • Chemical processing components
  • Steam servicing


Farmer’s Copper Ltd. extends its services throughout many industries. We provide the raw copper alloy materials in various standard shapes as well as custom cut copper alloys.

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Our C63000 Nickel Aluminum Bronze Inventory & Properties

Farmer’s diverse inventory of products and services offered provides our customers the largest and most extensive selection of alloys available, cut to precise specifications, and delivered with total quality control.

Chemical Properties

ElementCu (1,2)SnZnFeNi (3)AlMnSi
Min %249
Max %Rem0.20.345.5111.50.25

Physical Properties

Melting Point – Liquidus ⁰F1930
Melting Point – Solidus ⁰F1835
Density lb/cu in. at 68⁰F0.274
Specific Gravity7.58
Electrical Conductivity % IACS at 68⁰F7
Thermal Conductivity Btu/sq ft/ft hr/ ⁰F at 68⁰F22.6
Coefficient of Thermal Expansion 10-6 per ⁰F (68-572 ⁰F)9
Specific Heat Capacity Btu/lb/⁰F @ 68 ⁰F0.09
Modulus of Elasticity in Tension ksi17500
Modulus of Rigidity ksi6400

Fabrication Properties

SolderingNot Recommended
Oxyacetylene Welding                  Not Recommended
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold Formed Poor             
Capacity for Being Hot FormedGood
Forgeability Rating75
Machinability Rating30

Plate and Sheet

ASTM Standard Designation for C63000: ASTM B171
ASME Standard Designation for C63000: ASME SB171


ASTM Standard Designation for C63000: ASTM B150
ASME Standard Designation for C63000: ASME SB150
AMS Standard Designation for C63000: AMS 4640
Federal Specifications for C63000: QQ-C-465

Mechanical Properties

BAR M30 90 50 15 96            
HR50 100 60 15 96           10
HR50 110 62 15 97   6.4 12 150 37 10
ROD M30 100 60 15 96 62       36  
HR50 118 75 15 98 70       37 10
HR50 115 65 18 96 69       38 10
HR50 112 62 20 96 65       37 10

Our Commitment to Service

As a leading copper, brass, & bronze alloys supplier, Farmers Copper Ltd. attributes our success to serving our customers, through our service-minded employees and material readily available for prompt, accurate deliveries of copper, brass, bronze, stainless steel and other metal alloys.

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